Module: RubySMB::PeerInfo

Included in:
Client::Authentication, Dcerpc::Client
Defined in:
lib/ruby_smb/peer_info.rb

Instance Method Summary collapse

Instance Method Details

#extract_os_version(version) ⇒ String

Extract the peer/server version number from the NTLM Type 2 (challenge) Version field.

Parameters:

  • version (String) —

    the version number as a binary string

Returns:

  • (String) —

    the formatted version number (..)



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# File 'lib/ruby_smb/peer_info.rb', line 29

def extract_os_version(version)
  begin
    os_version = RubySMB::NTLM::OSVersion.read(version)
  rescue IOError
    return ''
  end

  "#{os_version.major}.#{os_version.minor}.#{os_version.build}"
end

#store_target_info(target_info_str) ⇒ Object

Extract and store useful information about the peer/server from the NTLM Type 2 (challenge) TargetInfo fields.

Parameters:

  • target_info_str (String) —

    the Target Info string



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# File 'lib/ruby_smb/peer_info.rb', line 7

def store_target_info(target_info_str)
  target_info = Net::NTLM::TargetInfo.new(target_info_str)
  {
    Net::NTLM::TargetInfo::MSV_AV_NB_COMPUTER_NAME  => :@default_name,
    Net::NTLM::TargetInfo::MSV_AV_NB_DOMAIN_NAME    => :@default_domain,
    Net::NTLM::TargetInfo::MSV_AV_DNS_COMPUTER_NAME => :@dns_host_name,
    Net::NTLM::TargetInfo::MSV_AV_DNS_DOMAIN_NAME   => :@dns_domain_name,
    Net::NTLM::TargetInfo::MSV_AV_DNS_TREE_NAME     => :@dns_tree_name
  }.each do |constant, attribute|
    if target_info.av_pairs[constant]
      value = target_info.av_pairs[constant].dup
      value.force_encoding('UTF-16LE')
      instance_variable_set(attribute, value.encode('UTF-8'))
    end
  end
end